CN104073156A - Self-lubricating polyamideimide insulation varnish and preparation method thereof - Google Patents
Self-lubricating polyamideimide insulation varnish and preparation method thereof Download PDFInfo
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- CN104073156A CN104073156A CN201410315612.XA CN201410315612A CN104073156A CN 104073156 A CN104073156 A CN 104073156A CN 201410315612 A CN201410315612 A CN 201410315612A CN 104073156 A CN104073156 A CN 104073156A
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Abstract
The invention provides a self-lubricating polyamideimide insulation varnish which comprises polyamideimide varnished wire varnish and nano-molybdenum disulfide organic dispersion liquid, wherein nano-molybdenum disulfide powder accounts for 0.5%-1.5% of the content of solid in the polyamideimide insulation varnish. According to the self-lubricating polyamideimide insulation varnish, a nano-molybdenum disulfide and metal oxide compound is used as a main component to prepare self-lubricating organic dispersion liquid, and the prepared self-lubricating organic dispersion liquid is directly added into the polyamideimide varnished wire varnish so as to reduce the friction coefficient of the surface of the varnished wire and reduce the defects of processing and winding the varnished wire.
Description
Technical field
The present invention relates to wire enamel technology field, particularly, relate to a kind of self-lubricating polyamide acid imide insullac and preparation method thereof.
Background technology
Along with scientific and technical development, the improving constantly of living standards of the people, people improve day by day to the convenience of electric product, stability requirement.High-quality enameled wire is the inevitable requirement of electrical equipment and electrical miniaturization, lightness trend.The method that improves at present enameled wire surface lubricating both at home and abroad is mainly divided into two kinds: the one, and to enamelled wire insulated paint surface-coated one deck lubricating oil.This lubricating oil is solvent mainly with gasoline, alcohol, hexanaphthene etc., and paraffin class material is solute.Wherein primary lubricant composition is paraffin, the consumption and a large amount of solvents volatilizees in enameled wire technological process.This not only can bring serious pollution to atmosphere, and the healthy of people damaged.The 2nd, improve the oilness of insulation paint film itself, basic method is exactly that the insullac that has self-lubricating function concurrently at enamelled wire surface painting last layer is made self-lubricant lacquer coated line, this method one-step moulding, work simplification, applies wider.
Self-lubricating paint adds lubricant to carry out modification in fact exactly in wire enamel, reduces wire enamel skin friction coefficient, improves surface lubrication and wear resistance, is widely used in the particular surroundingss such as high temperature, severe radiation, deep-etching.The kind of lubricant not only has material impact to the frictional coefficient of wire enamel, also can affect the coiling performance of enameled wire.Lubricant inferior may cause damage to paint in high speed winding process, affects result of use.
For this reason, urgently research and develop a kind of polyamide-imide enamelled wire varnishes with self-lubricating effect.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of self-lubricating polyamide acid imide insullac, take molybdenumdisulphide and metal oxide nano mixture is main component, the organic dispersions of preparation self-lubricating, directly join in polyamide-imide enamelled wire varnishes, to reduce the frictional coefficient of enamelled wire surface, reduce enameled wire processing coiling defect.
Technical scheme of the present invention is as follows: a kind of self-lubricating polyamide acid imide insullac, comprise polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, wherein, nano molybdenum disulfide powder accounts for 0.5%～1.5% of polyamide-imide insulating varnish solid content.
The solids component of described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and metal oxide form, and described metal oxide is boron nitride, silicon nitride, titanium oxide or silicon oxide.
The solvent of described nano molybdenum disulfide organic dispersions is the mixed solvent of N-Methyl pyrrolidone (NMP), dimethylbenzene or the two composition.
Described nano molybdenum disulfide organic dispersions is through silane coupling agent, stearic acid, Sodium dodecylbenzene sulfonate or cetyl trimethylammonium bromide modification.
The solid content of described nano molybdenum disulfide organic dispersions is 10%-15%.
The preparation method of described self-lubricating polyamide acid imide insullac, comprise the steps: described nano molybdenum disulfide organic dispersions to add in described polyamide-imide enamelled wire varnishes, make nano molybdenum disulfide powder account for 0.5%～1.5% of polyamide-imide insulating varnish solid content, under room temperature, dispersed 0.5-1 hour under high-speed stirring, obtains described self-lubricating polyamide acid imide insullac.
Beneficial effect of the present invention is: self-lubricating polyamide acid imide insullac of the present invention, indices meets International Power IEC standard-required, after enamelled wire paint technique film-forming, can meet the coiling requirement of high-speed winding machine completely, under the condition that is not coated with lubricant, significantly reduced enamelled wire surface frictional coefficient, improve lubricity, and there is good mechanical property, thermal characteristics and electrical property.
Embodiment
Embodiment 1:
A self-lubricating polyamide acid imide insullac, comprises polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, and wherein, nano molybdenum disulfide powder accounts for 0.5% of polyamide-imide insulating varnish solid content.Solids component in described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and boron nitride form, and solvent is N-Methyl pyrrolidone (NMP), and through stearic acid modified.
The preparation method of described self-lubricating polyamide acid imide insullac, takes respectively polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions.Wherein, the solid content of nano molybdenum disulfide organic dispersions is 10%, and solids component is wherein the nano composite material that molybdenumdisulphide and boron nitride form, and solvent is N-Methyl pyrrolidone (NMP), and through stearic acid modified.Described nano molybdenum disulfide organic dispersions is added in described polyamide-imide enamelled wire varnishes, under room temperature, at the dispersed 0.5h of high speed machine stirring action, obtain self-lubricating polyamide acid imide insullac, wherein nano molybdenum disulfide powder accounts for 0.5% of polyamide-imide insulating varnish solid content.
By the felt method of painting, above-mentioned self-lubricating polyamide acid imide insullac is coated on the copper cash having drawn uniformly, then the copper cash that applies self-lubricating polyamide acid imide insullac being put into baker bakes and banks up with earth, self-lubricating polyamide acid imide insullac will solidify to form paint film on copper cash, cooling, take-up subsequently, after applying respectively 1 road and 2 roads, carry out Performance Detection, frictional coefficient drops to 0.103.
Embodiment 2:
A self-lubricating polyamide acid imide insullac, comprises polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, and wherein, nano molybdenum disulfide powder accounts for 1% of polyamide-imide insulating varnish solid content.Solids component in described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and silicon nitride form, and solvent is the mixture of dimethylbenzene and N-Methyl pyrrolidone (NMP), and through stearic acid modified.
The preparation method of described self-lubricating polyamide acid imide insullac, takes respectively polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions.Wherein, the solid content of nano molybdenum disulfide organic dispersions is 12%, and solids component is wherein the nano composite material that molybdenumdisulphide and silicon nitride form, and solvent is the mixture of dimethylbenzene and N-Methyl pyrrolidone (NMP), and through stearic acid modified.Described nano molybdenum disulfide organic dispersions is added in described polyamide-imide enamelled wire varnishes, under room temperature, at the dispersed 0.5h of high speed machine stirring action, obtain self-lubricating polyamide acid imide insullac, wherein nano molybdenum disulfide powder accounts for 1.0% of polyamide-imide insulating varnish solid content.
By the felt method of painting, above-mentioned self-lubricating polyamide acid imide insullac is coated on the copper cash having drawn uniformly, then the copper cash that applies self-lubricating polyamide acid imide insullac being put into baker bakes and banks up with earth, self-lubricating polyamide acid imide insullac will solidify to form paint film on copper cash, cooling, take-up subsequently, after applying respectively 1 road and 2 roads, carry out Performance Detection, frictional coefficient drops to 0.088.
Embodiment 3:
A self-lubricating polyamide acid imide insullac, comprises polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, and wherein, nano molybdenum disulfide powder accounts for 0.5% of polyamide-imide insulating varnish solid content.Solids component in described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and titanium oxide form, and solvent is dimethylbenzene, and through cetyl trimethylammonium bromide modification.
The preparation method of described self-lubricating polyamide acid imide insullac, takes respectively polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions.Wherein, the solid content of nano molybdenum disulfide organic dispersions is 12%, and solids component is wherein the nano composite material that molybdenumdisulphide and titanium oxide form, and solvent is dimethylbenzene, and through stearic acid modified.Described nano molybdenum disulfide organic dispersions is added in described polyamide-imide enamelled wire varnishes, under room temperature, at the dispersed 1h of high speed machine stirring action, obtain self-lubricating polyamide acid imide insullac, wherein nano molybdenum disulfide powder accounts for 0.5% of polyamide-imide insulating varnish solid content.
By the felt method of painting, above-mentioned self-lubricating polyamide acid imide insullac is coated on the copper cash having drawn uniformly, then the copper cash that applies self-lubricating polyamide acid imide insullac being put into baker bakes and banks up with earth, self-lubricating polyamide acid imide insullac will solidify to form paint film on copper cash, cooling, take-up subsequently, after applying respectively 1 road and 2 roads, carry out Performance Detection, frictional coefficient drops to 0.098.
Embodiment 4:
A self-lubricating polyamide acid imide insullac, comprises polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, and wherein, nano molybdenum disulfide powder accounts for 1.0% of polyamide-imide insulating varnish solid content.Solids component in described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and silicon nitride form, and solvent is N-Methyl pyrrolidone (NMP), and through cetyl trimethylammonium bromide modification.
The preparation method of described self-lubricating polyamide acid imide insullac, takes respectively polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions.Wherein, the solid content of nano molybdenum disulfide organic dispersions is 15%, and solids component is wherein the nano composite material that molybdenumdisulphide and silicon nitride form, and solvent is N-Methyl pyrrolidone (NMP), and through stearic acid modified.Described nano molybdenum disulfide organic dispersions is added in described polyamide-imide enamelled wire varnishes, under room temperature, at the dispersed 1h of high speed machine stirring action, obtain self-lubricating polyamide acid imide insullac, wherein nano molybdenum disulfide powder accounts for 1.0% of polyamide-imide insulating varnish solid content.
By the felt method of painting, above-mentioned self-lubricating polyamide acid imide insullac is coated on the copper cash having drawn uniformly, then the copper cash that applies self-lubricating polyamide acid imide insullac being put into baker bakes and banks up with earth, self-lubricating polyamide acid imide insullac will solidify to form paint film on copper cash, cooling, take-up subsequently, after applying respectively 1 road and 2 roads, carry out Performance Detection, frictional coefficient drops to 0.087.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, its framework form can be flexible and changeable, can subseries product.Just make some simple deduction or replace, all should be considered as belonging to the present invention by the definite scope of patent protection of submitted to claims.
Claims (6)
1. a self-lubricating polyamide acid imide insullac, is characterized in that, comprises polyamide-imide enamelled wire varnishes and nano molybdenum disulfide organic dispersions, and wherein, nano molybdenum disulfide powder accounts for 0.5%～1.5% of polyamide-imide insulating varnish solid content.
2. self-lubricating polyamide acid imide insullac as claimed in claim 1, it is characterized in that, the solids component of described nano molybdenum disulfide organic dispersions is the nano composite material that molybdenumdisulphide and metal oxide form, and described metal oxide is boron nitride, silicon nitride, titanium oxide or silicon oxide.
3. self-lubricating polyamide acid imide insullac as claimed in claim 1, is characterized in that, the solvent of described nano molybdenum disulfide organic dispersions is the mixed solvent of N-Methyl pyrrolidone (NMP), dimethylbenzene or the two composition.
4. self-lubricating polyamide acid imide insullac as claimed in claim 1, is characterized in that, described nano molybdenum disulfide organic dispersions is through silane coupling agent, stearic acid, Sodium dodecylbenzene sulfonate or cetyl trimethylammonium bromide modification.
5. self-lubricating polyamide acid imide insullac as claimed in claim 1, is characterized in that, the solid content of described nano molybdenum disulfide organic dispersions is 10%-15%.
6. the preparation method of self-lubricating polyamide acid imide insullac as described in claim 1-5 any one, it is characterized in that, comprise the steps: described nano molybdenum disulfide organic dispersions to add in described polyamide-imide enamelled wire varnishes, make nano molybdenum disulfide powder account for 0.5%～1.5% of polyamide-imide insulating varnish solid content, under room temperature, dispersed 0.5-1 hour under high-speed stirring, obtains described self-lubricating polyamide acid imide insullac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410315612.XA CN104073156B (en) | 2014-07-03 | 2014-07-03 | A kind of self-lubricating polyamide acid imide insulated paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410315612.XA CN104073156B (en) | 2014-07-03 | 2014-07-03 | A kind of self-lubricating polyamide acid imide insulated paint and preparation method thereof |
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| CN104073156A true CN104073156A (en) | 2014-10-01 |
| CN104073156B CN104073156B (en) | 2017-08-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900318A (en) * | 2015-06-23 | 2015-09-09 | 浙江长城电工科技股份有限公司 | High efficiency energy saving motor self lubricating enamelled wire |
| CN105733436A (en) * | 2016-04-05 | 2016-07-06 | 广东轻工职业技术学院 | Energy-saving insulation varnish for electromechanical use and preparing method thereof |
| CN106675388A (en) * | 2016-12-16 | 2017-05-17 | 上海裕生特种线材有限公司 | Nano self-lubricating insulating paint as well as preparation method and application thereof |
| CN109988496A (en) * | 2019-04-08 | 2019-07-09 | 惠州市登高达电业有限公司 | A kind of enamelled wire insulated paint and preparation method thereof |
| CN112143373A (en) * | 2020-10-20 | 2020-12-29 | 安徽晟然绝缘材料有限公司 | Self-lubricating high-toughness wire enamel and preparation method thereof |
| CN112251133A (en) * | 2020-10-20 | 2021-01-22 | 安徽晟然绝缘材料有限公司 | Self-lubricating wire enamel and preparation method thereof |
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| JP2006016561A (en) * | 2004-06-02 | 2006-01-19 | Toyobo Co Ltd | Polyamideimide resin composition for sliding member and sliding member using the same |
| CN101328385A (en) * | 2008-07-04 | 2008-12-24 | 上海晟然绝缘材料有限公司 | Self-lubricating polyamide acid imide enamelled wire insulated paint |
| CN102533097A (en) * | 2011-12-19 | 2012-07-04 | 广东精达里亚特种漆包线有限公司 | Polyamide imide insulating paint and preparation method thereof |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2006016561A (en) * | 2004-06-02 | 2006-01-19 | Toyobo Co Ltd | Polyamideimide resin composition for sliding member and sliding member using the same |
| CN101328385A (en) * | 2008-07-04 | 2008-12-24 | 上海晟然绝缘材料有限公司 | Self-lubricating polyamide acid imide enamelled wire insulated paint |
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| CN103351651A (en) * | 2013-06-24 | 2013-10-16 | 东莞市垠星科技发展有限公司 | Preparation method of nano molybdenum disulfide organic dispersion liquid |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900318A (en) * | 2015-06-23 | 2015-09-09 | 浙江长城电工科技股份有限公司 | High efficiency energy saving motor self lubricating enamelled wire |
| CN105733436A (en) * | 2016-04-05 | 2016-07-06 | 广东轻工职业技术学院 | Energy-saving insulation varnish for electromechanical use and preparing method thereof |
| CN106675388A (en) * | 2016-12-16 | 2017-05-17 | 上海裕生特种线材有限公司 | Nano self-lubricating insulating paint as well as preparation method and application thereof |
| CN109988496A (en) * | 2019-04-08 | 2019-07-09 | 惠州市登高达电业有限公司 | A kind of enamelled wire insulated paint and preparation method thereof |
| CN112143373A (en) * | 2020-10-20 | 2020-12-29 | 安徽晟然绝缘材料有限公司 | Self-lubricating high-toughness wire enamel and preparation method thereof |
| CN112251133A (en) * | 2020-10-20 | 2021-01-22 | 安徽晟然绝缘材料有限公司 | Self-lubricating wire enamel and preparation method thereof |
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| CN104073156B (en) | 2017-08-01 |
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